08 December 2005 10:15

Want to learn how to quickly square a number that ends in 5? Or how to tell if a number is divisible by 3? Or maybe you'd like to know why the number 153 in the Bible is such an interesting number? That's the kind of fun and fascinating math tricks and trivia you'll find here at CuriousMath.com.

22 July 2005 11:15

This site contains activities that explore statistics and probability, algebra, geometry, decimals, percents, negative numbers, and more. Students take on the role of a secret agent and use their math skills to thwart the corporate menace, Villainy, Inc!